Sunday, October 7, 2012

SSAS File Corruption

This following error made me work on a Sunday night:
The following file is corrupted: Physical file: <blah>
Pretty much a server bit it pretty hard and after a manual reboot it came back up with a bunch of cubes having these corruption issues.

Sadly at this point all you can do is pray you have a decently recent backup to restore from however just working with the SSAS database is hard enough; if you try to do anything (detach, delete) it will just throw the corruption error.

Only way to handle this is to:
  1. Shutdown the SSAS service instance
  2. Find where the cube data directory is stored and delete all files related to the corrupted cubes
  3. Startup the SSAS service instance
  4. Restore from backup
  5. Pray
Hope you don't have to deal with this issue like I have.

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